510 E State St
Mauston, WI 53948

Meet Our Staff

Group picture of the team at Wisconsin Dental Improvements

Dr. Marcie Yang

Marcie Yang, DDS MS grew up in Sheboygan, Wisconsin and graduated from Sheboygan South High. She attended Marquette University and was part of the last graduating class of the Dental Hygiene Program. She continued her studies at Marquette University and completed her dental training in 2008. With the desire to provide the highest level of care, she pursued specialty training in Prosthodontics at the University of Minnesota. Dr. Marcie also spent additional time outside of her residency treating patients with dental implants and full mouth reconstructions at the Minneapolis VA Hospital. Dr. Marcie believes continuing education is important in maintaining quality dental care and spends many hours a year learning as much as she can in the latest technologies.

Maribeth Preuss (Office Manager)

Maribeth had worked with Dr. Mick McCormick for 30 years. She was delighted when Dr. Yang purchased the practice from Dr. McCormick in 2015. The patients have always been “family” to her, and she knew right away Dr. Yang showed the compassion and attention the patients needed. Maribeth has degrees in accounting and computer programming. The favorite aspect of her job has been establishing relationships with the patients and the diversity of her position.

Maribeth has attended numerous seminars and feels customer service is the most important part of her job. She enjoys working daily with our patients, whether it’s answering insurance questions or helping with their financial needs.

Maribeth and her husband, Michael live outside of Elroy. They have three married children and two grandchildren. She enjoys cooking, lawn and gardening, quilting, helping with church activities and being with family and friends.

Kathy Mueller (Patient Coordinator)

Kathy has been with our team for five years. She has had 37 years of experience in the dental field.

Kathy started as a dental assistant and later expanded to scheduling and doing more office responsibilities.

She would like to work as long as she can but is reducing the time she spends at the office so she can be with her husband, Bob. Kathy enjoys spending time with her two grandchildren, Lucy -age 8 and Lainey-age 1.

Jolene Anderson (Dental Assistant)

As a dental assistant, Jolene has been working with Dr. Yang since 2015. She studied at WWTC in La Crosse and worked with Dr McCormick here since 2006. Jolene is dedicated to patient care and establishing relationships with the patients.

Prosthodontic procedures are what she enjoys most. She loves seeing patients transform their smiles. She ensures that the patient feels comfortable throughout their procedures and she can answer any questions that may arise. When not in the office, Jolene enjoys spending time with family and friends and going to CE courses to advance her love for dental.

Sierra Johnson (Registered Dental Hygienist)

Sierra grew up in Hillsboro, WI. After high school, she attended Northcentral Technical College (NTC) and graduated from the dental hygiene program in 2023. Sierra’s favorite aspect of the dental field is interacting with each patient and educating them on their oral health. In her spare time, she enjoys hunting, fishing and watching sports.